Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Radio transmitter
Patent
1990-03-28
1992-12-22
Shooman, Theodore M.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Radio transmitter
Patent
active
D03319270
REFERENCES:
patent: D223764 (1972-06-01), Gorman
patent: D243537 (1977-03-01), Wahl
patent: D297737 (1988-09-01), Vosburgh
patent: D304309 (1989-10-01), Vories
patent: D306583 (1990-03-01), Drolopp et al.
patent: D325578 (1992-04-01), Daido et al.
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